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Revision Notes: Revision A (ECO C05747) initial release. Reflects the
new model numbers for the Knight upgrade.
Revision B (ECO C07072) reflects the change in design of manual air
vent valve and the update of FIG. 3 on page 8.
Revision C (ECO #C09197) updates made to the SMART SYSTEM
control (ECR #R04523).
Revision D (ECO #C10143) reflects updates made to the ignition timing
information.
Revision E (ECO #C11102) reflects outdoor air reset updates.
Revision F (ECO #C14411) reflects condensate trap changes (R6594)
on page 7, along with the addition of the corrosive contaminant warning
on page 3 (R06313).
KBII-USER Rev F
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